1. 6.29, 7,003, 7,05, 7,36, 7,429
2.а) 3/10, b) 1 42/100, C) 6/10, e) 125/1000
3. a) 1.65+21.52=23.17
b) =333.334
C) =7.334
D) =121.411
E)= 69,16
F) = 43,2003
G)= 3.1